SEQUEL: A structured English query language
SIGFIDET '74 Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control
ACM Computing Surveys (CSUR)
Using natural language descriptions to improve the usability of databases
ANLC '83 Proceedings of the first conference on Applied natural language processing
Impacts of a relational information system on industrial decisions
ACM SIGMIS Database - Proceedings of a conference on Decision Support Systems, Santa Clara, California, January 24-26, 1977
Command use in a relational database system
AFIPS '83 Proceedings of the May 16-19, 1983, national computer conference
An overview of recent data base research
ACM SIGMIS Database
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Although some relational information systems have recently become available for production use, very few, if any of them, contain facilities to collect performance data. This paper describes a method for implementing a performance monitor and some of the data collected by this performance monitor which was recently installed in the REGIS (RElational General Information System). REGIS is currently being used within General Motors. The performance monitor is used to collect data about the usefulness of the command language, performance improvements following major system upgrades and performance predictions based on past runs. While installing the performance monitor several system deficiencies were uncovered. Correction of the deficiencies has already improved performance by almost an order of magnitude. Future improvements are expected to improve performance by at least another order of magnitude.